Coal bunker repairs
- Detroit Edison Co., MI (United States)
Detroit Edison's St. Clair Power Plant (STCPP) Units 1 through 4 are 1950's vintage fossil fueled units with an average capacity of 163 megawatt per unit. Each unit had identical 2190 ton bunkers. The Unit No. 1 bunker had been experiencing noticeable exterior deterioration at the lower level internal support system. An internal bunker inspection revealed large deflections in the network of beams supporting the bunker side walls. A complete collapse of the internal support beams was imminent. Failure of these beams would have transferred the coal pressure loads to the bunker skin and external stiffeners which were not capable of sustaining the load and were also showing signs of distress. This paper presents the temporary repair installed immediately after inspection, the redesign of the lower internal support system and construction procedures involved in bringing the bunker back into operating condition.
- OSTI ID:
- 7051514
- Report Number(s):
- CONF-920432-; CODEN: PAPWA
- Journal Information:
- Proceedings of the American Power Conference; (United States), Vol. 54:2; Conference: 54. annual American power conference, Chicago, IL (United States), 13-15 Apr 1992; ISSN 0097-2126
- Country of Publication:
- United States
- Language:
- English
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